Interest Income And Interest Expense (Schedule Of Interest Income And Expense Of Continuing Operations) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Apr. 30, 2013	Apr. 30, 2012	Apr. 30, 2011
Schedule Of Interest Income And Expense [Line Items]
Interest income	$ 98,829	$ 99,800	$ 133,660
Interest expense	79,957	92,089	94,183
Emerald Advance lines of credit
Schedule Of Interest Income And Expense [Line Items]
Interest income	59,657	59,660	94,300
Mortgage Loans, Net
Schedule Of Interest Income And Expense [Line Items]
Interest income	16,556	20,322	24,693
Loans to franchisees
Schedule Of Interest Income And Expense [Line Items]
Interest income	10,023	10,234	9,013
AFS Securities
Schedule Of Interest Income And Expense [Line Items]
Interest income	7,000	4,463	1,609
Royalties from franchisees
Schedule Of Interest Income And Expense [Line Items]
Interest income	3,311	0	0
Other
Schedule Of Interest Income And Expense [Line Items]
Interest income	2,282	5,121	4,045
Borrowings
Schedule Of Interest Income And Expense [Line Items]
Interest expense	74,297	84,782	84,169
Deposits
Schedule Of Interest Income And Expense [Line Items]
Interest expense	5,660	6,735	8,488
FHLB Advances
Schedule Of Interest Income And Expense [Line Items]
Interest expense	$ 0	$ 572	$ 1,526